Home / 18,123.74-25,012.13-10,058.92

Finding the Fourth Proportional to 18,123.74, 25,012.13 and 10,058.92

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Solution

The fourth proportional to 18,123.74, 25,012.13 and 10,058.92 is: 13,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.74 : 25,012.13 = 10,058.92 : x
  2. Step 2: Convert to fraction form
    18,123.74/25,012.13 = 10,058.92/x
  3. Step 3: Cross multiply
    18,123.74x = 25,012.13 × 10,058.92
  4. Step 4: Simplify right side
    18,123.74x = 251,595,014.70
  5. Step 5: Solve for x
    x = 251,595,014.70/18,123.74
  6. Step 6: Final answer
    x = 13,882.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.